<html>
<head>
<script>
var sqrt_value=Math.sqrt(15);
document.write(sqrt_value);
</script>
</head>
<body>
</body>
标签: js
输出圆周率
<html>
<head>
<script>
var pi_value=Math.PI;
document.write(pi_value);
</script>
</head>
<body>
</body>
<html>
<head>
<script>
var str="Hello world!";
document.write(str.charAt(1));
</script>
</head>
<body>
</body>
<html>
<head>
<script>
var txt="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
document.write("这串字符的长度是:"+txt.length);
</script>
</head>
<body>
</body>
<html>
<head>
<script>
var day;
switch (new Date().getDay()) {
case 0:
day = "周日";
break;
case 1:
day = "周一";
break;
case 2:
day = "周二";
break;
case 3:
day = "周三";
break;
case 4:
day = "周四";
break;
case 5:
day = "周五";
break;
case 6:
day = "周六";
}
document.write("今天是 "+day);
</script>
</head>
<body>
</body>
按我理解,游戏引擎就相当于编程中的集成开发工具,IDE,对吗?
分类
新曙光JS教程——不等于
<html>
<head>
<script>
var x = 5;
document.write(x !== 5);
</script>
</head>
<body>
</body>
var x = 5;
document.write(x !== 5);
分类
新曙光JS教程——逻辑并
<html>
<head>
<script>
var x = 6;
var y = 3;
document.write(
(x < 10 && y > 1) + "<br>" +
(x < 10 && y < 1));
</script>
</head>
<body>
</body>
<html>
<head>
<script>
var age=16;
if (age < 18) text = "太年轻";
document.write(text);
</script>
</head>
<body>
</body>
<html>
<head>
<script>
function gcd2(a,b){
var result = 1;
for(var i = 1; i <= a && i <= b; i++ ){
if(a%i == 0 && b%i == 0 ){
result = i;
}
}
return result;
}
var x=gcd2(20,48);
document.write("20和48的最大公约数是:"+x);
</script>
</head>
<body>
</body>